This DSD 4121 Decoder meets International Safety Standards. Please read the following recommended safety
precautions carefully.
This decoder operates within the range 100-250 V AC 47-63 Hz mains supply only. Connect the power cable to the
decoder before connecting the other end to the power outlet. Disconnect the decoder from the power outlet before
connecting or disconnecting the decoder from any other equipment.
Keep liquids away from the decoder and do not put anything on top of the decoder which may spill (example : lit
candles or containers of liquid). Do not use the decoder in extreme temperature and humid conditions.
Before cleaning the decoder, first disconnect the decoder from the mains. Use a dry cloth to clean the exterior.
Do not block the ventilation holes and ensure that free airflow is maintained around the decoder.
Never stand the decoder on soft furnishings or on carpet.
Do not use or store the decoder near a heater or where it is exposed to direct sunlight.
Never stack other electronic equipment on top of, or below the decoder.
Do not attempt to repair the decoder yourself. You should also never remove the cover of the decoder. Any
tampering with the decoder will invalidate the warranty. Refer all servicing to Altech UEC Australia,
Tel. +61 2 94255777.
If the decoder is installed in an area subject to intense lightning activity, protection devices for the decoder mains
connector are recommended.
The earth/grounding system must comply with local regulations.
MAINS SUPPLY
LIQUIDS AND SPILLAGE
CLEANING
VENTILATION
SERVICING
LIGHTNING
EARTHING
I
MPORTANT SAFETY INFORMATION
Page 2 of 22
Important Safety Information
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General